Gitar, Incgitar.hashnode.dev·Mar 28, 2024Automating Java Codebase Annotations for Null SafetyThis is Part II of our series of posts on retrofitting null safety onto existing programming languages. In Part I of this series, we introduced NullAway, a pluggable type system for nullability for Java, which can prevent NullPointerException (NPE) c...Discussnullaway
manish maharjanforJoBins Engineeringblog.jobins.jp·Mar 25, 2024Understanding null and undefinedNull and undefined are both are primitive data types in JavaScript. Both provides the similar feelings when observed at theoretical level. Sometime times the consequence are more debugging and clarification for the usage of these two values. Null The...Discuss·5 likes·30 readsnull vs undefined
Deon SlabbertProbecomingaprogrammer.hashnode.dev·Nov 27, 2023Database Design Gone BadIt is important that you understand the contents of this article. Together with the next article, it forms the knowledge you need to do good database designs. So, please make sure you understand the things discussed here before you proceed. Data Redu...DiscussDatabase Design Fundamentalsdatabase
Ojas Elawadhiojaselawadhi.hashnode.dev·Nov 21, 2023Understanding the Difference Between Null and Undefined in JavaScriptIn the realm of JavaScript, the concepts of null and undefined often lead to confusion. While they might seem similar at first glance, they serve distinct purposes in the language. Let's dive into the details of null and undefined, and understand how...Discussundefined
DbVisualizerforThe Tablethetable.hashnode.dev·Nov 13, 2023NULLs Are Not The Same – A GuideIn this blog, we’re walking you through the upsides and downsides in NULLs in MySQL – have a read! Tools used in this tutorial DbVisualizer - top rated database management tool and SQL client. The PostgreSQL database. The MySQL database version 8 or...DiscussMySQL
DbVisualizerforThe Tablethetable.hashnode.dev·Oct 23, 2023PostgreSQL ISNULL: The Missing FunctionLet’s figure out whether or not the ISNULL PostgreSQL function exists, why, and explore its alternatives to get the same functionality. Tools used in this tutorial DbVisualizer - top rated database management tool and SQL client. The PostgreSQL data...Discuss·108 readsPostgreSQL
Jassahib Singhjassahib.hashnode.dev·Oct 18, 2023Why is there Undefined & NULL both in JavaScript and What's the difference?In JavaScript, we have NULL and Undefined which upon comparing with the equality operator returns True, because they both imply the same thing that the variable doesn't have a value. But while comparing them with the strict equality operator it retur...Discuss·1 like·32 readsJavaScript
Siddharthsiddharthqs.com·Oct 8, 2023Navigating Safely with `Option` in RustRust is SERIOUS about safety and control over memory. Option type – an essential tool in Rust's arsenal that keeps your code safe and sound. Option is a fundamental type in Rust and is widely used for error handling, optional values, and more. You wo...Discuss·2 likes·103 readsRustRust
Madhusudan Dasxdev.hashnode.dev·Sep 27, 2023Difference Between undeclared, undefined, and nullUndeclared Variable: An undeclared variable is one that has not been declared in the current scope. Attempting to access an undeclared variable will result in a ReferenceError. Example: console.log(brain); // ReferenceError: brain is no...Discuss·43 readsundefined
Bartosz Szłapakbarcioch.hashnode.dev·Sep 22, 2023Null, nullish, nullableIn most programming languages there is only one way of defining whether the value is set or not. That value is generally considered null but named differently. But the Javascript went one step further and introduced two of them: null and undefined. U...Discuss·52 readsNull
